Question

find six rational numbers between 2/3and 2/5.

Answer 1

rational number b/w a and b= a+b/2
rational number b/w 2/3 and 2/5 = $\frac{ \frac{2}{3}+ \frac{2}{5} }{2}$
                                                       = 16/30
2/5 = 12/30
2/3 = 20/30
rational number b/w 12/30 and 20/30 are 13/30 , 14/30 , 15/30 , 16/30 , 17/30 ,18/30 , 19/30.